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Adding a legend to PyPlot in Matplotlib in the simplest manner possible
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Add a label= to each of your plot() calls, and then call legend(loc='upper left').
Consider this sample (tested with Python 3.8.0):
import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0, 20, 1000)
y1 = np.sin(x)
y2 = np.cos(x)
plt.plot(x, y1, "-b", ...
Newline in JLabel
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Surround the string with <html></html> and break the lines with <br/>.
JLabel l = new JLabel("<html>Hello World!<br/>blahblahblah</html>", SwingConstants.CENTER);
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Making the iPhone vibrate
...ort vibration, it plays a beep
sound. The second function, on the other hand, does nothing on
unsupported devices. So if you are going to vibrate the device
continuously, as an alert, common sense says, use function 2.
First, add the AudioToolbox framework AudioToolbox.framework to your targ...
PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
...nswer your concerns:
MySQL >= 5.1.17 (or >= 5.1.21 for the PREPARE and EXECUTE statements) can use prepared statements in the query cache. So your version of MySQL+PHP can use prepared statements with the query cache. However, make careful note of the caveats for caching query results in the...
Is there a range class in C++11 for use with range based for loops?
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The C++ standard library does not have one, but Boost.Range has boost::counting_range, which certainly qualifies. You could also use boost::irange, which is a bit more focused in scope.
C++20's range library will allow you to do this ...
File inside jar is not visible for spring
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If your spring-context.xml and my.config files are in different jars then you will need to use classpath*:my.config?
More info here
Also, make sure you are using resource.getInputStream() not resource.getFile() when loading from inside a jar file.
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Disabled form inputs do not appear in the request
I have some disabled inputs in a form and I want to send them to a server, but Chrome excludes them from the request.
10 A...
Finding the max value of an attribute in an array of objects
I'm looking for a really quick, clean and efficient way to get the max "y" value in the following JSON slice:
13 Answers
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Nginx Different Domains on Same IP
...y server {} blocks, the sever_name directives were wildcards: .domain1.com and .domain2.com. Changing them to server_name www.domain1.com domain1.com; and server_name www.domain2.com domain2.com; now has the correct page for each site displaying when those addresses are used.
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Differences between cookies and sessions?
I am training in web developement and am learning about JSP & Servlets . I have some knowledge of HttpSession - I have used it in some of my sample projects.
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